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參數資料
| 型號： | HT82K95EE |
| 廠商： | Holtek Semiconductor Inc. |
| 英文描述： | USB Multimedia Keyboard Encoder 8-Bit MCU |
| 中文描述： | 的USB多媒體鍵盤編碼器8位微控制器 |
| 文件頁數： | 17/45頁 |
| 文件大小： | 297K |
| 代理商： | HT82K95EE |
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HT82K95EE/HT82K95AE
Rev. 1.20
17
August 28, 2006
Low Voltage Reset
LVR
The microcontroller contains a low voltage reset circuit
inordertomonitorthesupplyvoltageofthedevice.Ifthe
supply voltage of the device drops to within a range of
0.9V~V
LVR
such as might occur when changing the bat-
tery, the LVR will automatically reset the device inter-
nally.
The LVR includes the following specifications:
For a valid LVR signal, a low voltage i.e. a voltage in
the range between 0.9V~V
LVR
must exist for greater
than 1ms. If the low voltage state does not exceed
1ms, the LVR will ignore it and do not perform a reset
function.
The LVR uses the OR function with the external
RES signal to perform chip reset.
TherelationshipbetweenV
DD
andV
LVR
isshownbelow.
Note:
V
OPR
is the voltage range for proper chip opera-
tion at 4MHz system clock.
0 2 0
5 2 5
5 2
2 7
#
0 2 0
0 2 0
#
2 7
!
(
,
!
G
G
, (
!
#
(
(
,
Low Voltage Reset
Note:
*1. To make sure that the system oscillator has stabilized, the SST provides an extra delay of 1024 system
clock pulses before entering the normal operation.
*2. Since low voltage has to be maintained for over 1ms in its original state, therefore there s a 1ms delay
before entering the reset mode
相關PDF資料 |
PDF描述 |
|---|---|
| HT82K95A | USB Multimedia Keyboard Encoder 8-Bit MCU |
| HT82K95E | USB Multimedia Keyboard Encoder 8-Bit MCU |
| HT82K96A | USB Multimedia Keyboard Encoder 8-Bit Mask MCU |
| HT82K96E | 8-Bit USB Multimedia Keyboard Encoder OTP MCU |
| HT82M21A | 3-Key 3D USB+PS/2 Optical Mouse Controller |
相關代理商/技術參數 |
參數描述 |
|---|---|
| HT82K96A | 制造商:HOLTEK 制造商全稱:Holtek Semiconductor Inc 功能描述:USB Multimedia Keyboard Encoder 8-Bit Mask MCU |
| HT82K96E | 制造商:HOLTEK 制造商全稱:Holtek Semiconductor Inc 功能描述:8-Bit USB Multimedia Keyboard Encoder OTP MCU |
| HT82K96E_07 | 制造商:HOLTEK 制造商全稱:Holtek Semiconductor Inc 功能描述:USB Multimedia Keyboard Encoder 8-Bit OTP MCU |
| HT82M13 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Mouse/Trackball Controller |
| HT82M21A | 制造商:HOLTEK 制造商全稱:Holtek Semiconductor Inc 功能描述:3-Key 3D USB+PS/2 Optical Mouse Controller |
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